Year	thousand metric tons of CO2 equivalent
1990	8882.2178
1991	9051.4818
1992	9001.1496
1993	8931.358
1994	8829.6804
1995	9141.7162
1996	9436.2296
1997	9872.2334
1998	9942.3826
1999	10111.1996
2000	10298.9098
2001	9411.9426
2002	8716.6788
2003	8765.4614
2004	8641.106
2005	9074.7854
2006	9666.5538
2007	10449.6978
2008	10535.1046
2009	10556.5308
2010	9254.241
2011	10133.3112
2012	10827.4724
2013	11120.7342
2014	12070.8476
2015	12834.0852
2016	13296.9388
2017	13801.1846
2018	13741.5846
2019	14465.6352
2020	13989.4312